Home / 20,966,797.62-28,929,393.81-11,796,094.26

Finding the Fourth Proportional to 20,966,797.62, 28,929,393.81 and 11,796,094.26

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Solution

The fourth proportional to 20,966,797.62, 28,929,393.81 and 11,796,094.26 is: 16,275,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966,797.62 : 28,929,393.81 = 11,796,094.26 : x
  2. Step 2: Convert to fraction form
    20,966,797.62/28,929,393.81 = 11,796,094.26/x
  3. Step 3: Cross multiply
    20,966,797.62x = 28,929,393.81 × 11,796,094.26
  4. Step 4: Simplify right side
    20,966,797.62x = 341,253,856,267,420.50
  5. Step 5: Solve for x
    x = 341,253,856,267,420.50/20,966,797.62
  6. Step 6: Final answer
    x = 16,275,916.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.